# ALEX Classroom Resource

## Mathroom Reunion: The Odd Squad

Classroom Resource Information

Title:

URL:

Content Source:

PBS
Type: Audio/Video

Overview:

Learn about addition, subtraction, and making amounts equal to the Odd Squad. When Ms. O and O'Donahue visit the Mathroom, she is excited to see her old friend and help with the case.

Content Standard(s):
 Mathematics MA2015 (2016) Grade: 1 5 ) Relate counting to addition and subtraction (e.g., by counting on 2 to add 2). [1-OA5] Alabama Alternate Achievement Standards AAS Standard: M.AAS.1.5- Represent addition and subtraction of 1 more or 1 less from a number 1 to 15. Mathematics MA2015 (2016) Grade: 1 7 ) Understand the meaning of the equal sign, and determine if equations involving addition and subtraction are true or false. [1-OA7] Example: Which of the following equations are true and which are false: 6 = 6, 7 = 8 - 1, 5 + 2 = 2 + 5, 4 + 1 = 5 + 2' NAEP Framework NAEP Statement:: 8A4b: Interpret "=" as an equivalence between two expressions and use this interpretation to solve problems.
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